<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=595310 --> <head> <title>Test for Bug 595310</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=595310">Mozilla Bug 595310</a> <p id="display"></p> <div id="content"> <input id='i' value="bar"> <textarea id='t'>bar</textarea> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 595310 **/ SimpleTest.waitForExplicitFinish(); addLoadEvent(function() { // We want to compare to value="bar" and no placeholder shown. // That is what is currently showed. var s1 = snapshotWindow(window, false); var content = document.getElementById('content'); var i = document.getElementById('i'); var t = SpecialPowers.wrap(document.getElementById('t')); i.value = ""; i.placeholder = "foo"; t.value = ""; t.placeholder = "foo"; // Flushing. // Note: one call would have been enough actually but I didn't want to favour // one element... ;) i.getBoundingClientRect(); t.getBoundingClientRect(); function synthesizeDropText(aElement, aText) { var editor = SpecialPowers.wrap(aElement) .QueryInterface(SpecialPowers.Ci.nsIDOMNSEditableElement) .editor .QueryInterface(SpecialPowers.Ci.nsIPlaintextEditor); editor.insertText(aText); } // We insert "bar" and we should only see "bar" now. synthesizeDropText(i, "bar"); synthesizeDropText(t, "bar"); var s2 = snapshotWindow(window, false); ok(compareSnapshots(s1, s2, true)[0], "When setting the value, the placeholder should disappear."); SimpleTest.finish(); }); </script> </pre> </body> </html>